<PAGE> PAGE 1
000 B000000 12/31/99
000 C000000 0000918294
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 T.ROWE PRICE EQUITY SERIES, INC.
001 B000000 811-07143
001 C000000 4103452000
002 A000000 100 EAST PRATT STREET
002 B000000 BALTIMORE
002 C000000 MD
002 D010000 21202
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 4
007 C010100 1
007 C020100 T. ROWE PRICE EQUITY INCOME PORTFOLIO
007 C030100 N
007 C010200 2
007 C020200 T. ROWE PRICE NEW AMERICA GROWTH PORTFOLIO
007 C030200 N
007 C010300 3
007 C020300 T. ROWE PRICE PERSONAL STRATEGY BALANCED PORT
007 C030300 N
007 C010400 4
007 C020400 T. ROWE PRICE MID-CAP GROWTH PORTFOLIO
007 C030400 N
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A00AA01 T. ROWE PRICE ASSOCIATES, INC.
008 B00AA01 A
008 C00AA01 801-856
008 D01AA01 BALTIMORE
008 D02AA01 MD
008 D03AA01 21202
015 A00AA01 STATE STREET BANK AND TRUST COMPANY
015 B00AA01 C
015 C01AA01 BOSTON
015 C02AA01 MA
015 C03AA01 02110
<PAGE> PAGE 2
015 E01AA01 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 88
019 C00AA00 TROWEPRICE
020 A000001 INVESTMENT TECHNOLOGY (ITG)
020 B000001 95-4339369
020 C000001 89
020 A000002 BEAR STEARNS
020 B000002 13-3299429
020 C000002 72
020 A000003 MORGAN STANLEY
020 B000003 13-2655998
020 C000003 47
020 A000004 SALOMON SMITH BARNEY
020 B000004 11-2418191
020 C000004 46
020 A000005 PAINE WEBBER GROUP
020 B000005 13-2638166
020 C000005 38
020 A000006 DONALDSON LUFKIN & JENRETTE
020 B000006 13-2741729
020 C000006 34
020 A000007 MERRILL LYNCH
020 B000007 13-5674085
020 C000007 32
020 A000008 GOLDMAN SACHS
020 B000008 13-5108880
020 C000008 30
020 A000009 BNY-ESI & CO
020 B000009 13-3989198
020 C000009 30
020 A000010 BERNSTEIN SANFORD C & CO
020 B000010 13-2625874
020 C000010 21
021 000000 766
022 A000001 PAINE WEBBER GROUP
022 B000001 13-2638166
022 C000001 11705
022 D000001 7117
022 A000002 MERRILL LYNCH
022 B000002 13-5674085
022 C000002 5006
022 D000002 10701
022 A000003 MORGAN STANLEY
022 B000003 13-2655998
022 C000003 5107
022 D000003 5964
022 A000004 GOLDMAN SACHS
022 B000004 13-5108880
022 C000004 6796
<PAGE> PAGE 3
022 D000004 3722
022 A000005 SALOMON SMITH BARNEY
022 B000005 11-2418191
022 C000005 2771
022 D000005 3372
022 A000006 LEHMAN BROTHERS
022 B000006 13-2518466
022 C000006 1466
022 D000006 3902
022 A000007 BEAR STEARNS
022 B000007 13-3299429
022 C000007 3590
022 D000007 826
022 A000008 HERZOG HEINE GEDULD
022 B000008 13-1955436
022 C000008 4175
022 D000008 11
022 A000009 DONALSON LUFKIN & JENRETTE
022 B000009 13-2741729
022 C000009 2331
022 D000009 1660
022 A000010 SPEAR LEEDS & KELLOGG CAPITAL MARKETS
022 B000010 13-5515160
022 C000010 3168
022 D000010 71
023 C000000 59019
023 D000000 47862
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 Y
027 000000 Y
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
062 A00AA00 N
062 B00AA00 0.0
062 C00AA00 0.0
062 D00AA00 0.0
062 E00AA00 0.0
062 F00AA00 0.0
062 G00AA00 0.0
062 H00AA00 0.0
062 I00AA00 0.0
062 J00AA00 0.0
<PAGE> PAGE 4
062 K00AA00 0.0
062 L00AA00 0.0
062 M00AA00 0.0
062 N00AA00 0.0
062 O00AA00 0.0
062 P00AA00 0.0
062 Q00AA00 0.0
062 R00AA00 0.0
077 A000000 Y
077 B000000 Y
080 A00AA00 ICI MUTUAL INSURANCE COMPANY
080 B00AA00 NONE
080 C00AA00 60000
081 A00AA00 Y
081 B00AA00 125
082 A00AA00 N
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
024 000100 N
025 A000101 DELETE
025 D000101 0
025 D000102 0
025 D000103 0
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 11647
028 A020100 0
028 A030100 0
028 A040100 5517
028 B010100 11750
028 B020100 0
028 B030100 0
028 B040100 3476
028 C010100 11809
028 C020100 2684
028 C030100 0
028 C040100 4196
028 D010100 8776
028 D020100 0
028 D030100 0
028 D040100 5427
028 E010100 9341
028 E020100 0
<PAGE> PAGE 5
028 E030100 0
028 E040100 6051
028 F010100 9882
028 F020100 26724
028 F030100 0
028 F040100 10119
028 G010100 63205
028 G020100 29408
028 G030100 0
028 G040100 34786
028 H000100 0
049 000100 N
050 000100 N
051 000100 N
052 000100 Y
053 A000100 N
055 A000100 N
055 B000100 N
056 000100 Y
057 000100 N
070 A010100 Y
070 A020100 N
070 B010100 Y
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 Y
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 Y
070 F020100 N
070 G010100 Y
070 G020100 N
070 H010100 Y
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 N
070 K010100 Y
070 K020100 Y
070 L010100 Y
070 L020100 Y
070 M010100 Y
070 M020100 Y
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 Y
<PAGE> PAGE 6
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 236724
071 B000100 178493
071 C000100 548336
071 D000100 33
072 A000100 12
072 B000100 1670
072 C000100 14263
072 D000100 0
072 E000100 0
072 F000100 4688
072 G000100 0
072 H000100 0
072 I000100 13
072 J000100 48
072 K000100 8
072 L000100 61
072 M000100 7
072 N000100 16
072 O000100 0
072 P000100 0
072 Q000100 68
072 R000100 11
072 S000100 3
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 6
072 X000100 4929
072 Y000100 0
072 Z000100 11004
072AA000100 33148
072BB000100 0
072CC010100 0
072CC020100 26050
072DD010100 11093
072DD020100 0
072EE000100 25635
073 A010100 0.3800
073 A020100 0.0000
073 B000100 0.8500
073 C000100 0.0000
074 A000100 15
074 B000100 0
074 C000100 33261
074 D000100 2239
074 E000100 0
<PAGE> PAGE 7
074 F000100 565841
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 606
074 K000100 0
074 L000100 1621
074 M000100 4
074 N000100 603587
074 O000100 6985
074 P000100 0
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 1169
074 S000100 0
074 T000100 595433
074 U010100 31798
074 U020100 0
074 V010100 18.73
074 V020100 0.00
074 W000100 0.0000
074 X000100 72950
074 Y000100 0
075 A000100 0
075 B000100 579983
076 000100 0.00
024 000200 Y
025 A000201 GOLDMAN SACHS
025 B000201 13-5108880
025 C000201 E
025 D000201 565
025 A000202 MORGAN STANLEY
025 B000202 13-2655998
025 C000202 E
025 D000202 47
025 D000203 0
025 D000204 0
025 D000205 0
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 1740
028 A020200 0
028 A030200 0
028 A040200 1974
028 B010200 1953
028 B020200 0
028 B030200 0
028 B040200 2783
<PAGE> PAGE 8
028 C010200 1709
028 C020200 0
028 C030200 0
028 C040200 1901
028 D010200 1323
028 D020200 0
028 D030200 0
028 D040200 1206
028 E010200 1835
028 E020200 0
028 E030200 0
028 E040200 1730
028 F010200 2800
028 F020200 7210
028 F030200 0
028 F040200 3419
028 G010200 11360
028 G020200 7210
028 G030200 0
028 G040200 13013
028 H000200 0
055 A000200 N
055 B000200 N
056 000200 Y
057 000200 N
070 A010200 Y
070 A020200 N
070 B010200 Y
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 Y
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 Y
070 F020200 N
070 G010200 Y
070 G020200 N
070 H010200 Y
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 N
070 K010200 Y
070 K020200 Y
070 L010200 Y
070 L020200 N
070 M010200 Y
070 M020200 N
<PAGE> PAGE 9
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 Y
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 47578
071 B000200 66401
071 C000200 113091
071 D000200 42
072 A000200 12
072 B000200 269
072 C000200 376
072 D000200 0
072 E000200 0
072 F000200 827
072 G000200 0
072 H000200 0
072 I000200 12
072 J000200 25
072 K000200 5
072 L000200 34
072 M000200 6
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 67
072 R000200 11
072 S000200 3
072 T000200 0
072 U000200 0
072 V000200 0
072 W000200 5
072 X000200 995
072 Y000200 0
072 Z000200 -350
072AA000200 10435
072BB000200 0
072CC010200 4336
072CC020200 0
072DD010200 0
072DD020200 0
072EE000200 7210
073 A010200 0.0000
073 A020200 0.0000
073 B000200 1.5900
073 C000200 0.0000
<PAGE> PAGE 10
074 A000200 0
074 B000200 0
074 C000200 12542
074 D000200 0
074 E000200 0
074 F000200 114032
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 1902
074 K000200 0
074 L000200 399
074 M000200 3
074 N000200 128878
074 O000200 2606
074 P000200 0
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 298
074 S000200 0
074 T000200 125974
074 U010200 4812
074 U020200 0
074 V010200 26.18
074 V020200 0.00
074 W000200 0.0000
074 X000200 28
074 Y000200 0
075 A000200 0
075 B000200 117226
076 000200 0.00
024 000300 Y
025 A000301 GOLDMAN SACHS
025 B000301 13-5108880
025 C000301 E
025 D000301 19
025 A000302 MORGAN STANLEY
025 B000302 13-2655998
025 C000302 E
025 D000302 114
025 A000303 PAINE WEBBER GROUP
025 B000303 13-2638166
025 C000303 D
025 D000303 730
025 D000304 0
025 D000305 0
025 D000306 0
025 D000307 0
025 D000308 0
<PAGE> PAGE 11
028 A010300 1293
028 A020300 0
028 A030300 0
028 A040300 1140
028 B010300 1174
028 B020300 0
028 B030300 0
028 B040300 1108
028 C010300 792
028 C020300 610
028 C030300 0
028 C040300 2300
028 D010300 1151
028 D020300 0
028 D030300 0
028 D040300 956
028 E010300 1453
028 E020300 0
028 E030300 0
028 E040300 926
028 F010300 2245
028 F020300 3762
028 F030300 0
028 F040300 3558
028 G010300 8108
028 G020300 4372
028 G030300 0
028 G040300 9988
028 H000300 0
055 A000300 N
055 B000300 N
056 000300 Y
057 000300 N
070 A010300 Y
070 A020300 N
070 B010300 Y
070 B020300 N
070 C010300 N
070 C020300 N
070 D010300 Y
070 D020300 N
070 E010300 N
070 E020300 N
070 F010300 Y
070 F020300 N
070 G010300 Y
070 G020300 N
070 H010300 Y
070 H020300 N
070 I010300 N
070 I020300 N
<PAGE> PAGE 12
070 J010300 Y
070 J020300 Y
070 K010300 Y
070 K020300 Y
070 L010300 Y
070 L020300 Y
070 M010300 Y
070 M020300 Y
070 N010300 Y
070 N020300 Y
070 O010300 Y
070 O020300 N
070 P010300 Y
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300 41053
071 B000300 40158
071 C000300 78214
071 D000300 51
072 A000300 12
072 B000300 2326
072 C000300 903
072 D000300 0
072 E000300 13
072 F000300 548
072 G000300 0
072 H000300 0
072 I000300 10
072 J000300 46
072 K000300 3
072 L000300 29
072 M000300 5
072 N000300 0
072 O000300 0
072 P000300 0
072 Q000300 82
072 R000300 11
072 S000300 3
072 T000300 0
072 U000300 0
072 V000300 0
072 W000300 4
072 X000300 741
072 Y000300 0
072 Z000300 2501
072AA000300 3815
072BB000300 0
072CC010300 388
<PAGE> PAGE 13
072CC020300 0
072DD010300 2497
072DD020300 0
072EE000300 4892
073 A010300 0.4900
073 A020300 0.0000
073 B000300 0.9600
073 C000300 0.0000
074 A000300 43
074 B000300 0
074 C000300 3591
074 D000300 28559
074 E000300 0
074 F000300 52630
074 G000300 0
074 H000300 0
074 I000300 0
074 J000300 35
074 K000300 0
074 L000300 701
074 M000300 2
074 N000300 85561
074 O000300 60
074 P000300 0
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 242
074 S000300 0
074 T000300 85259
074 U010300 5330
074 U020300 0
074 V010300 16.00
074 V020300 0.00
074 W000300 0.0000
074 X000300 18
074 Y000300 0
075 A000300 0
075 B000300 82533
076 000300 0.00
024 000400 N
025 D000401 0
025 D000402 0
025 D000403 0
025 D000404 0
025 D000405 0
025 D000406 0
025 D000407 0
025 D000408 0
028 A010400 9019
<PAGE> PAGE 14
028 A020400 0
028 A030400 0
028 A040400 463
028 B010400 12594
028 B020400 0
028 B030400 0
028 B040400 697
028 C010400 8983
028 C020400 0
028 C030400 0
028 C040400 528
028 D010400 8973
028 D020400 0
028 D030400 0
028 D040400 592
028 E010400 13943
028 E020400 0
028 E030400 0
028 E040400 1928
028 F010400 14450
028 F020400 1220
028 F030400 0
028 F040400 3617
028 G010400 67962
028 G020400 1220
028 G030400 0
028 G040400 7825
028 H000400 0
055 A000400 N
055 B000400 N
056 000400 Y
057 000400 N
070 A010400 Y
070 A020400 N
070 B010400 Y
070 B020400 N
070 C010400 N
070 C020400 N
070 D010400 Y
070 D020400 N
070 E010400 N
070 E020400 N
070 F010400 Y
070 F020400 N
070 G010400 Y
070 G020400 N
070 H010400 Y
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
<PAGE> PAGE 15
070 J020400 N
070 K010400 Y
070 K020400 Y
070 L010400 Y
070 L020400 N
070 M010400 Y
070 M020400 N
070 N010400 Y
070 N020400 N
070 O010400 Y
070 O020400 N
070 P010400 Y
070 P020400 N
070 Q010400 N
070 Q020400 N
070 R010400 N
070 R020400 N
071 A000400 96665
071 B000400 26726
071 C000400 55570
071 D000400 48
072 A000400 12
072 B000400 323
072 C000400 194
072 D000400 0
072 E000400 0
072 F000400 299
072 G000400 0
072 H000400 0
072 I000400 11
072 J000400 66
072 K000400 5
072 L000400 17
072 M000400 6
072 N000400 20
072 O000400 0
072 P000400 0
072 Q000400 67
072 R000400 12
072 S000400 3
072 T000400 0
072 U000400 0
072 V000400 0
072 W000400 3
072 X000400 509
072 Y000400 0
072 Z000400 8
072AA000400 3171
072BB000400 0
072CC010400 0
072CC020400 15316
<PAGE> PAGE 16
072DD010400 0
072DD020400 0
072EE000400 1220
073 A010400 0.0000
073 A020400 0.0000
073 B000400 0.1800
073 C000400 0.0000
074 A000400 0
074 B000400 0
074 C000400 12349
074 D000400 0
074 E000400 0
074 F000400 115485
074 G000400 0
074 H000400 0
074 I000400 0
074 J000400 458
074 K000400 0
074 L000400 983
074 M000400 2
074 N000400 129277
074 O000400 1793
074 P000400 0
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 256
074 S000400 0
074 T000400 127228
074 U010400 7288
074 U020400 0
074 V010400 17.46
074 V020400 0.00
074 W000400 0.0000
074 X000400 32
074 Y000400 0
075 A000400 0
075 B000400 60010
076 000400 0.00
SIGNATURE HENRY HOPKINS
TITLE VICE PRESIDENT
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000918294
<NAME> T. ROWE PRICE EQUITY INCOME PORTFOLIO
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 571042
<INVESTMENTS-AT-VALUE> 601341
<RECEIVABLES> 2227
<ASSETS-OTHER> 19
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 603587
<PAYABLE-FOR-SECURITIES> 6985
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1169
<TOTAL-LIABILITIES> 8154
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 555596
<SHARES-COMMON-STOCK> 31798
<SHARES-COMMON-PRIOR> 27380
<ACCUMULATED-NII-CURRENT> 9
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 9529
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 30299
<NET-ASSETS> 595433
<DIVIDEND-INCOME> 14263
<INTEREST-INCOME> 1670
<OTHER-INCOME> 0
<EXPENSES-NET> 4929
<NET-INVESTMENT-INCOME> 11004
<REALIZED-GAINS-CURRENT> 33148
<APPREC-INCREASE-CURRENT> (26050)
<NET-CHANGE-FROM-OPS> 18102
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (11093)
<DISTRIBUTIONS-OF-GAINS> (25635)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6291
<NUMBER-OF-SHARES-REDEEMED> (3817)
<SHARES-REINVESTED> 1944
<NET-CHANGE-IN-ASSETS> 68481
<ACCUMULATED-NII-PRIOR> 98
<ACCUMULATED-GAINS-PRIOR> 56349
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4688
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4929
<AVERAGE-NET-ASSETS> 579983
<PER-SHARE-NAV-BEGIN> 19.25
<PER-SHARE-NII> 0.38
<PER-SHARE-GAIN-APPREC> 0.33
<PER-SHARE-DIVIDEND> (0.38)
<PER-SHARE-DISTRIBUTIONS> (0.85)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 18.73
<EXPENSE-RATIO> 0.85
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000918294
<NAME> T. ROWE PRICE NEW AMERICA GROWTH PORTFOLIO
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 86162
<INVESTMENTS-AT-VALUE> 126574
<RECEIVABLES> 2301
<ASSETS-OTHER> 3
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 128878
<PAYABLE-FOR-SECURITIES> 2606
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 298
<TOTAL-LIABILITIES> 2904
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 81172
<SHARES-COMMON-STOCK> 4812
<SHARES-COMMON-PRIOR> 4809
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4390
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 40412
<NET-ASSETS> 125974
<DIVIDEND-INCOME> 376
<INTEREST-INCOME> 269
<OTHER-INCOME> 0
<EXPENSES-NET> 995
<NET-INVESTMENT-INCOME> (350)
<REALIZED-GAINS-CURRENT> 10435
<APPREC-INCREASE-CURRENT> 4336
<NET-CHANGE-FROM-OPS> 14421
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (7210)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 893
<NUMBER-OF-SHARES-REDEEMED> (1187)
<SHARES-REINVESTED> 297
<NET-CHANGE-IN-ASSETS> 6985
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1407
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 827
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 995
<AVERAGE-NET-ASSETS> 117226
<PER-SHARE-NAV-BEGIN> 24.74
<PER-SHARE-NII> (0.07)
<PER-SHARE-GAIN-APPREC> 3.1
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (1.59)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 26.18
<EXPENSE-RATIO> 0.85
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000918294
<NAME> T. ROWE PRICE MID-CAP GROWTH PORTFOLIO
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 106638
<INVESTMENTS-AT-VALUE> 127834
<RECEIVABLES> 1442
<ASSETS-OTHER> 2
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 129278
<PAYABLE-FOR-SECURITIES> 1793
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 257
<TOTAL-LIABILITIES> 2050
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 104032
<SHARES-COMMON-STOCK> 7288
<SHARES-COMMON-PRIOR> 2095
<ACCUMULATED-NII-CURRENT> 8
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1992
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 21196
<NET-ASSETS> 127228
<DIVIDEND-INCOME> 194
<INTEREST-INCOME> 323
<OTHER-INCOME> 0
<EXPENSES-NET> 509
<NET-INVESTMENT-INCOME> 8
<REALIZED-GAINS-CURRENT> 3171
<APPREC-INCREASE-CURRENT> 15316
<NET-CHANGE-FROM-OPS> 18495
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (1220)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6036
<NUMBER-OF-SHARES-REDEEMED> (919)
<SHARES-REINVESTED> 76
<NET-CHANGE-IN-ASSETS> 97317
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 41
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 299
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 509
<AVERAGE-NET-ASSETS> 60010
<PER-SHARE-NAV-BEGIN> 14.27
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 3.37
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.18)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.46
<EXPENSE-RATIO> 0.85
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000918294
<NAME> PERSONAL STRATEGY BALANCED PORTFOLIO
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 74090
<INVESTMENTS-AT-VALUE> 84780
<RECEIVABLES> 736
<ASSETS-OTHER> 45
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 85561
<PAYABLE-FOR-SECURITIES> 60
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 242
<TOTAL-LIABILITIES> 302
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 73914
<SHARES-COMMON-STOCK> 5330
<SHARES-COMMON-PRIOR> 4918
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (9)
<ACCUMULATED-NET-GAINS> 664
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 10690
<NET-ASSETS> 85259
<DIVIDEND-INCOME> 903
<INTEREST-INCOME> 2326
<OTHER-INCOME> 0
<EXPENSES-NET> 741
<NET-INVESTMENT-INCOME> 2501
<REALIZED-GAINS-CURRENT> 3815
<APPREC-INCREASE-CURRENT> 388
<NET-CHANGE-FROM-OPS> 6704
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2497)
<DISTRIBUTIONS-OF-GAINS> (4892)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 963
<NUMBER-OF-SHARES-REDEEMED> (1021)
<SHARES-REINVESTED> 470
<NET-CHANGE-IN-ASSETS> 5784
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1741
<OVERDISTRIB-NII-PRIOR> (13)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 548
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 741
<AVERAGE-NET-ASSETS> 82533
<PER-SHARE-NAV-BEGIN> 16.16
<PER-SHARE-NII> 0.49
<PER-SHARE-GAIN-APPREC> 0.8
<PER-SHARE-DIVIDEND> (0.49)
<PER-SHARE-DISTRIBUTIONS> (0.96)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16
<EXPENSE-RATIO> 0.9
</TABLE>
